In this paper we put forward a method of precision laser drilling with plane convex resonator and focusing of quasi-light column.

本文提出采用平凸光学谐振腔准光柱聚焦精密激光打孔方法。

youdao

The picture shows Regensburg, Germany, where the coloured light column (not the top white light) consists of LED units from Dialight.

图中所示为德国雷根斯堡市，彩色灯柱(不是顶端的白色灯)中就包含有Dialight公司的LED单元。

youdao

The new device emits a powerful circular column of light.

这个新装置发出一束强烈的环形光柱。

《柯林斯英汉双解大词典》

(Speaking) Mikhail Khodorkovsky, the imprisoned Kremlin critic and former head of the Yukos Oil Company, in a recent op-ed column, said Russia's demand for skills in fundamental and applied sciences is declining in light of the appetite for raw materials and corruption.

VOA: standard.2010.02.03

And then he just takes that narrow column of light and he admits it to a prism. And what the prism does is takes a tiny, tiny difference in wavelength and refracts it through a different angle.

他只取了那个窄光柱,然后把它对准一个棱镜，棱镜所做的就是,测量出波长的细微差别,然后从不同的角度测定它的折射度。

麻省理工公开课 - 固态化学导论课程节选

This column offers CFOs, and their teams, insights and ideas related to challenges of the position, in light of market demands and global economic conditions.

FORBES: CFOs: From Number Crunchers to Inclusive Leaders